If you've ever played nullius you might know what I already mean.
Battery (intermediate product)= personal battery MK1 (for personal armor) (personal battery mk1 removed from the game)
roboport = personal roboport mk2
stack inserter = stack filter inserter
fast inserter = filter inserter (do keep in mind regular inserters, long inserters, and burner inserters dont get filter variants)
logistic robot = construction robot (1 robot can complete both types of tasks)
explosives = cliff explosives
solar panel = personal solar panel
lamp = nightvision equipment
laser turret = personal laser defense
electronic circuit = discharge defense remote
rocket (the fired out of a rocket launcher variety) = jetpack equipment mk1 (from jetpacks mod if enabled)
gun turret = submachine gun (handheld) (also makes military redundant i guess)
flamethrower turret = flamethrower (handheld)
landmines = discharge defense equipment
wall = energy shield mk1 equipment
processing unit = beacon (must be enabled and also first researched with purple science)
engine unit = pump
pipe (when placed on water) = offshore pump
that's all i could think of but other people are welcome to put more in the comments